diff --git a/trunk/auto/options.sh b/trunk/auto/options.sh
index 049baa624..768685994 100755
--- a/trunk/auto/options.sh
+++ b/trunk/auto/options.sh
@@ -159,7 +159,7 @@ Options:
   --without-arm-ubuntu12    do not cross build srs on ubuntu12 for armhf(v7cpu).
   --without-mips-ubuntu12   do not cross build srs on ubuntu12 for mips.
                           
-  --prefix=<path>           the absolute install path for srs.
+  --prefix=<path>           The absolute installation path for srs. Default: $SRS_PREFIX
   --static                  whether add '-static' to link options.
   --jobs[=N]                Allow N jobs at once; infinite jobs with no arg.
                             used for make in the configure, for example, to make ffmpeg.
diff --git a/trunk/auto/summary.sh b/trunk/auto/summary.sh
index 78bb26b77..476aa457e 100755
--- a/trunk/auto/summary.sh
+++ b/trunk/auto/summary.sh
@@ -38,8 +38,7 @@ BLACK="\\${BLACK}"
 
 echo -e "\${GREEN}The build summary:\${BLACK}"
 echo -e "     \${BLACK}+------------------------------------------------------------------------------------\${BLACK}"
-echo -e "     \${GREEN}For SRS benchmark, recomment the following tools:\${BLACK}"
-echo -e "     \${GREEN}     About gperf, gprof and valgrind, please read\${BLACK}"
+echo -e "     \${GREEN}For SRS benchmark, gperf, gprof and valgrind, please read:\${BLACK}"
 echo -e "     \${GREEN}     http://blog.csdn.net/win_lin/article/details/53503869\${BLACK}"
 echo -e "     \${BLACK}+------------------------------------------------------------------------------------\${BLACK}"
 echo -e "     |\${GREEN}The main server usage: ./objs/srs -c conf/srs.conf, start the srs server\${BLACK}"
diff --git a/trunk/conf/full.one.vhost.conf b/trunk/conf/full.one.vhost.conf
deleted file mode 100644
index 8d52fbc72..000000000
--- a/trunk/conf/full.one.vhost.conf
+++ /dev/null
@@ -1,356 +0,0 @@
-listen 1935 1936;
-pid ./objs/srs.pid;
-chunk_size 60000;
-ff_log_dir ./objs;
-srs_log_tank console;
-srs_log_level trace;
-srs_log_file ./objs/srs.log;
-max_connections 1000;
-daemon off;
-utc_time off;
-pithy_print_ms 10000;
-heartbeat {
-    enabled off;
-    interval 9.3;
-    url http://127.0.0.1:8085/api/v1/servers;
-    device_id my-srs-device;
-    summaries off;
-}
-stats {
-    network 0;
-    disk sda sdb xvda xvdb;
-}
-http_api {
-    enabled on;
-    listen 1985;
-    crossdomain on;
-    raw_api {
-        enabled on;
-        allow_reload on;
-        allow_query on;
-        allow_update on;
-    }
-}
-http_server {
-    enabled off;
-    listen 8080;
-    dir ./objs/nginx/html;
-}
-stream_caster {
-    enabled off;
-    caster mpegts_over_udp;
-    output rtmp://127.0.0.1/live/livestream;
-    listen 8935;
-    rtp_port_min 57200;
-    rtp_port_max 57300;
-}
-vhost __defaultVhost__;
-vhost vhost.srs.com {
-    enabled off;
-    chunk_size 128;
-    tcp_nodelay on;
-    min_latency on;
-    cluster {
-        mode remote;
-        origin 127.0.0.1:1935 localhost:1935;
-        token_traverse off;
-        vhost same.edge.srs.com;
-        debug_srs_upnode off;
-    }
-    forward {
-        enabled off;
-        destination 127.0.0.1:1936 127.0.0.1:1937;
-    }
-    play {
-        time_jitter full;
-        mix_correct off;
-        atc off;
-        atc_auto off;
-        mw_latency 100;
-        gop_cache off;
-        queue_length 10;
-        send_min_interval 10.0;
-        reduce_sequence_header on;
-    }
-    publish {
-        mr off;
-        mr_latency 350;
-        firstpkt_timeout 20000;
-        normal_timeout 7000;
-    }
-    refer {
-        enabled off;
-        all github.com github.io;
-        publish github.com github.io;
-        play github.com github.io;
-    }
-    bandcheck {
-        enabled off;
-        key 35c9b402c12a7246868752e2878f7e0e;
-        interval 30;
-        limit_kbps 4000;
-    }
-    security {
-        enabled off;
-        allow play all;
-        allow publish all;
-        deny publish all;
-    }
-    http_static {
-        enabled off;
-        mount [vhost]/hls;
-        dir ./objs/nginx/html/hls;
-    }
-    http_remux {
-        enabled off;
-        fast_cache 30;
-        mount [vhost]/[app]/[stream].flv;
-    }
-    http_hooks {
-        enabled off;
-        on_connect http://127.0.0.1:8085/api/v1/clients http://localhost:8085/api/v1/clients;
-        on_close http://127.0.0.1:8085/api/v1/clients http://localhost:8085/api/v1/clients;
-        on_publish http://127.0.0.1:8085/api/v1/streams http://localhost:8085/api/v1/streams;
-        on_unpublish http://127.0.0.1:8085/api/v1/streams http://localhost:8085/api/v1/streams;
-        on_play http://127.0.0.1:8085/api/v1/sessions http://localhost:8085/api/v1/sessions;
-        on_stop http://127.0.0.1:8085/api/v1/sessions http://localhost:8085/api/v1/sessions;
-        on_dvr http://127.0.0.1:8085/api/v1/dvrs http://localhost:8085/api/v1/dvrs;
-        on_hls http://127.0.0.1:8085/api/v1/hls http://localhost:8085/api/v1/hls;
-        on_hls_notify http://127.0.0.1:8085/api/v1/hls/[app]/[stream][ts_url];
-    }
-    exec {
-        enabled off;
-        publish ./objs/ffmpeg/bin/ffmpeg -f flv -i [url] -c copy -y ./[stream].flv;
-    }
-    hls {
-        enabled off;
-        hls_fragment 10;
-        hls_td_ratio 1.5;
-        hls_aof_ratio 2.0;
-        hls_window 60;
-        hls_on_error ignore;
-        hls_storage disk;
-        hls_path ./objs/nginx/html;
-        hls_m3u8_file [app]/[stream].m3u8;
-        hls_ts_file [app]/[stream]-[seq].ts;
-        hls_ts_floor off;
-        hls_entry_prefix http://your-server;
-        hls_mount [vhost]/[app]/[stream].m3u8;
-        hls_acodec aac;
-        hls_vcodec h264;
-        hls_cleanup on;
-        hls_dispose 0;
-        hls_nb_notify 64;
-        hls_wait_keyframe on;
-    }
-    hds {
-        enabled off;
-        hds_fragment 10;
-        hds_window 60;
-        hds_path ./objs/nginx/html;
-    }
-    dvr {
-        enabled off;
-        dvr_plan session;
-        dvr_path ./objs/nginx/html/[app]/[stream].[timestamp].flv;
-        dvr_duration 30;
-        dvr_wait_keyframe on;
-        time_jitter full;
-    }
-    ingest livestream {
-        enabled off;
-        input {
-            type file;
-            url ./doc/source.200kbps.768x320.flv;
-        }
-        ffmpeg ./objs/ffmpeg/bin/ffmpeg;
-        engine {
-            enabled off;
-            iformat flv;
-            vfilter {
-                s 30;
-                ss 300;
-            }
-            vcodec libx264;
-            vbitrate 1500;
-            vfps 25;
-            vwidth 768;
-            vheight 320;
-            vthreads 12;
-            vprofile main;
-            vpreset medium;
-            vparams {
-                t 100;
-                coder 1;
-                b_strategy 2;
-                bf 3;
-                refs 10;
-            }
-            acodec libfdk_aac;
-            abitrate 70;
-            asample_rate 44100;
-            achannels 2;
-            aparams {
-                profile:a aac_low;
-            }
-            oformat flv;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream];
-        }
-    }
-    transcode live {
-        enabled off;
-        ffmpeg ./objs/ffmpeg/bin/ffmpeg;
-        engine ffsuper {
-            enabled off;
-            iformat flv;
-            vfilter {
-                s 30;
-                ss 300;
-            }
-            vcodec libx264;
-            vbitrate 1500;
-            vfps 25;
-            vwidth 768;
-            vheight 320;
-            vthreads 12;
-            vprofile main;
-            vpreset medium;
-            vparams {
-                t 100;
-                coder 1;
-                b_strategy 2;
-                bf 3;
-                refs 10;
-            }
-            acodec libfdk_aac;
-            abitrate 70;
-            asample_rate 44100;
-            achannels 2;
-            aparams {
-                profile:a aac_low;
-            }
-            oformat flv;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-    }
-    transcode {
-        enabled off;
-        ffmpeg ./objs/ffmpeg/bin/ffmpeg;
-        engine ffsuper {
-            enabled off;
-            iformat flv;
-            vfilter {
-                s 30;
-                ss 300;
-            }
-            vcodec libx264;
-            vbitrate 1500;
-            vfps 25;
-            vwidth 768;
-            vheight 320;
-            vthreads 12;
-            vprofile main;
-            vpreset medium;
-            vparams {
-                t 100;
-                coder 1;
-                b_strategy 2;
-                bf 3;
-                refs 10;
-            }
-            acodec libfdk_aac;
-            abitrate 70;
-            asample_rate 44100;
-            achannels 2;
-            aparams {
-                profile:a aac_low;
-            }
-            oformat flv;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-        engine ffhd {
-            enabled off;
-            vcodec libx264;
-            vbitrate 1200;
-            vfps 25;
-            vwidth 1382;
-            vheight 576;
-            vthreads 6;
-            vprofile main;
-            vpreset medium;
-            vparams;
-            acodec libfdk_aac;
-            abitrate 70;
-            asample_rate 44100;
-            achannels 2;
-            aparams;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-        engine ffsd {
-            enabled off;
-            vcodec libx264;
-            vbitrate 800;
-            vfps 25;
-            vwidth 1152;
-            vheight 480;
-            vthreads 4;
-            vprofile main;
-            vpreset fast;
-            vparams;
-            acodec libfdk_aac;
-            abitrate 60;
-            asample_rate 44100;
-            achannels 2;
-            aparams;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-        engine fffast {
-            enabled off;
-            vcodec libx264;
-            vbitrate 300;
-            vfps 20;
-            vwidth 768;
-            vheight 320;
-            vthreads 2;
-            vprofile baseline;
-            vpreset superfast;
-            vparams;
-            acodec libfdk_aac;
-            abitrate 45;
-            asample_rate 44100;
-            achannels 2;
-            aparams;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-        engine vcopy {
-            enabled off;
-            vcodec copy;
-            acodec libfdk_aac;
-            abitrate 45;
-            asample_rate 44100;
-            achannels 2;
-            aparams;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-        engine acopy {
-            enabled off;
-            vcodec libx264;
-            vbitrate 300;
-            vfps 20;
-            vwidth 768;
-            vheight 320;
-            vthreads 2;
-            vprofile baseline;
-            vpreset superfast;
-            vparams;
-            acodec copy;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-        engine copy {
-            enabled off;
-            vcodec copy;
-            acodec copy;
-            output rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
-        }
-    }
-}
diff --git a/trunk/src/main/srs_main_mp4_parser.cpp b/trunk/src/main/srs_main_mp4_parser.cpp
index a186780ea..9abcf2617 100644
--- a/trunk/src/main/srs_main_mp4_parser.cpp
+++ b/trunk/src/main/srs_main_mp4_parser.cpp
@@ -30,9 +30,6 @@
 ISrsLog* _srs_log = new SrsConsoleLog(SrsLogLevelTrace, false);
 ISrsThreadContext* _srs_context = new SrsThreadContext();
 
-/**
- * main entrance.
- */
 int main(int argc, char** argv)
 {
     return 0;